448  
CDUS43 KLOT 090640  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
140 AM CDT MON AUG 09 2021  
   
...............................
 
 
...THE DU PAGE AIRPORT CLIMATE SUMMARY FOR AUGUST 8 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1:49 PM 92 2001 83 7 87  
MINIMUM 70 11:59 PM 52 1997 63 7 62  
1999  
2017  
AVERAGE 80 73 7 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.37 1.07 0.12 0.25 0.00  
MONTH TO DATE 0.37 1.04 -0.67 0.14  
SINCE JUN 1 9.57 8.31 1.26 2.33  
SINCE JAN 1 14.72 20.57 -5.85 20.23  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 4  
SINCE JUN 1 11 37 -26 20  
SINCE JUL 1 0 4 -4 4  
 
COOLING  
YESTERDAY 15 8 7 10  
MONTH TO DATE 62 64 -2 36  
SINCE JUN 1 573 511 62 619  
SINCE JAN 1 654 567 87 670    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
   
......................................................
 
 
THE DU PAGE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 94 2005  
MINIMUM TEMPERATURE (F) 63 49 1999  
 
SUNRISE AND SUNSET  
AUGUST 9 2021........SUNRISE 5:55 AM CDT SUNSET 8:01 PM CDT  
AUGUST 10 2021........SUNRISE 5:56 AM CDT SUNSET 8:00 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page